Finding the Fourth Proportional to 965,762.88, 1,332,769.46 and 530,220.75
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Solution
The fourth proportional to 965,762.88, 1,332,769.46 and 530,220.75 is: 731,713.80
Step by Step Solution
- Step 1: Write the proportion equation
965,762.88 : 1,332,769.46 = 530,220.75 : x - Step 2: Convert to fraction form
965,762.88/1,332,769.46 = 530,220.75/x - Step 3: Cross multiply
965,762.88x = 1,332,769.46 × 530,220.75 - Step 4: Simplify right side
965,762.88x = 706,662,022,658.30 - Step 5: Solve for x
x = 706,662,022,658.30/965,762.88 - Step 6: Final answer
x = 731,713.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.